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A beginner-friendly guide to choosing between RDS, DynamoDB, ElastiCache, and Redshift, explained as four buildings in a city, with four questions to help you decide.

AWS Config now supports 10 new resource types across services including ElastiCache and QuickSight, automatically tracked when recording all resource types is enabled.

https://aws.amazon.com/about-aws/whats-new/2026/10/elasticache-changing-durability/ https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/durability.html

Amazon ElastiCache Serverless now supports public endpoints in AWS GovCloud (US) Regions, enabling secure cache access from outside VPCs without additional infrastructure.

Amazon ElastiCache for Valkey で、既存クラスターの耐久性を作り直さずに変更できるようになりました。Valkey 9.0 で試すと、有効化・無効化はフェイルオーバーを伴って約14分半〜約20分かかり、非同期から同期への変更は available のまま短時間で終わりました。

AWS Config now supports 10 additional AWS resource types across key services including Amazon ElastiCache and Amazon QuickSight. This expansion provides greater coverage over your AWS environment, enabling you to more effectively discover, assess, audit, and remediate an even broader range of resources. With this launch, if you have enabled recording for all resource types, then AWS Config will automatically track these new additions. The newly supported resource types are also available in Config rules and Config aggregators. You can now use AWS Config to monitor the following newly supported resource types in all AWS Regions where the resources are available: Resource Types: AWS::Billing::BillingView AWS::MPA::IdentitySource AWS::Connect::HoursOfOperation AWS::Notifications::OrganizationalUnitAssociation AWS::ElastiCache::CacheCluster AWS::NotificationsContacts::EmailContact AWS::ElastiCache::ReplicationGroup AWS::Oam::Link AWS::MediaLive::SignalMap AWS::QuickSight::Agent

AWS Config now supports 10 additional AWS resource types across key services including Amazon ElastiCache and Amazon QuickSight. This expansion provides greater coverage over your AWS environment, enabling you to more effectively discover, assess, audit, and remediate an even broader range of resources. With this launch, if you have enabled recording for all resource types, then AWS Config will automatically track these new additions. The newly supported resource types are also available in Config rules and Config aggregators. You can now use AWS Config to monitor the following newly supported resource types in all https://docs.aws.amazon.com/config/latest/developerguide/what-is-resource-config-coverage.html where the resources are available: Resource Types: AWS::Billing::BillingView AWS::MPA::IdentitySource AWS::Connect::HoursOfOperation AWS::Notifications::OrganizationalUnitAssociation AWS::ElastiCache::CacheCluster AWS::NotificationsContacts::EmailContact AWS::ElastiCache::ReplicationGroup AWS::Oam::Link AWS::MediaLive::SignalMap AWS::QuickSight::Agent

Amazon ElastiCache Serverless for Valkey now supports public endpoints in the AWS GovCloud (US) Regions. A public endpoint lets you connect to your cache from a serverless function or any application running outside a VPC, without setting up a VPN, a bastion host, or an SSH tunnel. With a public endpoint, ElastiCache Serverless gives you a fully managed cache with no VPC to configure and no infrastructure to provision, and you can create one in under a minute. Every connection uses IAM authentication over TLS 1.3, so there's no password to store or rotate. Connect using Valkey GLIDE 2.2 or later, which has built-in IAM support, or another Valkey client paired with the Developer Toolkit for ElastiCache, an open-source library that generates and refreshes IAM authentication tokens for you. With this expansion, public endpoints for ElastiCache Serverless are now available in all commercial AWS Regions, the AWS GovCloud (US) Regions, and the China Regions. There is no additional charge for using public endpoints beyond standard ElastiCache Serverless pricing. To get started, create a Valkey 9.0 or later serverless cache with a public endpoint using the AWS Management Console, AWS SDK, or AWS CLI. To learn more about public endpoints, see https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/serverless-public-endpoints-chapter.html. 

Amazon ElastiCache Serverless for Valkey now supports public endpoints in the AWS GovCloud (US) Regions. A public endpoint lets you connect to your cache from a serverless function or any application running outside a VPC, without setting up a VPN, a bastion host, or an SSH tunnel. With a public endpoint, ElastiCache Serverless gives you a fully managed cache with no VPC to configure and no infrastructure to provision, and you can create one in under a minute. Every connection uses IAM authentication over TLS 1.3, so there's no password to store or rotate. Connect using Valkey GLIDE 2.2 or later, which has built-in IAM support, or another Valkey client paired with the Developer Toolkit for ElastiCache, an open-source library that generates and refreshes IAM authentication tokens for you. With this expansion, public endpoints for ElastiCache Serverless are now available in all commercial AWS Regions, the AWS GovCloud (US) Regions, and the China Regions. There is no additional charge for using public endpoints beyond standard ElastiCache Serverless pricing. To get started, create a Valkey 9.0 or later serverless cache with a public endpoint using the AWS Management Console, AWS SDK, or AWS CLI. To learn more about public endpoints, see Create a Valkey serverless cache with a public endpoint. 

Amazon ElastiCache expands data tiering support to R8gd and R7gd Graviton-based nodes in Europe (Spain) and Asia Pacific (Hyderabad) regions.

Amazon ElastiCache Serverless for Valkey now supports public endpoints in the AWS GovCloud (US) Regions. A public endpoint lets you connect to your cache from a serverless function or any application running outside a VPC, without setting up a VPN, a bastion host, or an SSH tunnel. With a public endpoint, ElastiCache Serverless gives you a fully managed cache with no VPC to configure and no infrastructure to provision, and you can create one in under a minute. Every connection uses IAM authentication over TLS 1.3, so there's no password to store or rotate. Connect using Valkey GLIDE 2.2 or later, which has built-in IAM support, or another Valkey client paired with the Developer Toolkit for ElastiCache, an open-source library that generates and refreshes IAM authentication tokens for you. With this expansion, public endpoints for ElastiCache Serverless are now available in all commercial AWS Regions, the AWS GovCloud (US) Regions, and the China Regions. There is no additional charge for using public endpoints beyond standard ElastiCache Serverless pricing. To get started, create a Valkey 9.0 or later serverless cache with a public endpoint using the AWS Management Console, AWS SDK, or AWS CLI. To learn more about public endpoints, see Create a Valkey serverless cache with a public endpoint.

今まではクラスター作り直しだった